Merge "Add keyguardGoingAway to the state controller." into tm-dev am: 1254f916

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17892805



Change-Id: I28607456da601e3624a703fe2706a7945b7cdafe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>